Particle emission by fission

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From surface effects in controlled thermonuclear fusion devices and reactors meeting; Argonne, Illinois, USA (10 Jan 1974). The sputtering by ftssion fragments of Cu, Al, and Nb doped with 0.1 at.% /sup 235/ and bombarded with thermal neutrons was investigated. This was primarily a search for micron size particles emitted from the surfaces of the doped sources. Kaminsky et al., have observed large particles (several microns in size) emitted from the surface of samples bombarded by 14 MeV neutrons, with a maximum knock-on energy of 600 keV in Nb. The fission energy deposition of 200 MeV should be more than ... continued below

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Pages: 9

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Blewitt, T.H.; Kirk, M.A.; Busch, D.E.; Klank, A.C. & Scott, T.L. February 1, 1974.

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From surface effects in controlled thermonuclear fusion devices and reactors meeting; Argonne, Illinois, USA (10 Jan 1974). The sputtering by ftssion fragments of Cu, Al, and Nb doped with 0.1 at.% /sup 235/ and bombarded with thermal neutrons was investigated. This was primarily a search for micron size particles emitted from the surfaces of the doped sources. Kaminsky et al., have observed large particles (several microns in size) emitted from the surface of samples bombarded by 14 MeV neutrons, with a maximum knock-on energy of 600 keV in Nb. The fission energy deposition of 200 MeV should be more than adequate to yield any observable effects that might be present at 600 keV. The concentration of flssion events was 10 times the concentration of knockons in the Kaminsky experiments. With scanning electron microscope and energy dispersive x- ray analyses of sputtering collectors both before and after irradiation, no sputtered particles were found larger than one detection limit of 0.1 mu . (auth)

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Pages: 9

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  • Surface effects in controlled thermonuclear fusion devices and reactors meeting, Argonne, Illinois, USA, 10 Jan 1974

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  • Report No.: CONF-740104--19
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 4306966
  • Archival Resource Key: ark:/67531/metadc1016302

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  • February 1, 1974

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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  • Oct. 27, 2017, 3:42 p.m.

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Blewitt, T.H.; Kirk, M.A.; Busch, D.E.; Klank, A.C. & Scott, T.L. Particle emission by fission, article, February 1, 1974; Illinois. (digital.library.unt.edu/ark:/67531/metadc1016302/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.